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limit evaluation...

Asked by: Aakanksha 30

November 20 2014

0 2

> restart:
> m:=2; k:=1.0931; a:=k-m; b:=k+m-1;
m := 2
k := 1.0931
a := -0.9069
b := 2.0931
> z:=(k*m)/10^(0.1*10);
z := 0.2186200000
> simplify(((10^(0.1*yo))^((b-a+2*p-1)/2)*z^((b-a+2*p+1)/2)*GAMMA((1-(b-a+2*p))/2))/(p!*GAMMA(p-a+1)*GAMMA(1+((1-(b-a+2*p))/2))));
1 /
---------------------- \0.3183098861 sin(3.141592654 p + 3.141592654) exp(
GAMMA(p + 1.906900000)
p
-3.040840432 - 1.520420216 p + 0.2302585095 yo) (exp(0.2302585095 yo)) GAMMA(
\
-1. - 1. p)/
> [seq(limit(.3183098861*sin(3.141592654*p+3.141592654)*exp(-3.040840432-1.520420216*p+.2302585095*yo)*(exp(.2302585095*yo))^p*GAMMA(-1.-1.*p)/GAMMA(p+1.906900000),p=k),k=0..10)]
Warning, inserted missing semicolon at end of statement, ...=k),k=0..10)];
[ / 1 /
[limit|---------------------- \0.3183098861 sin(3.141592654 p + 3.141592654)
[ \GAMMA(p + 1.906900000)

p
exp(-3.040840432 - 1.520420216 p + 0.2302585095 yo) (exp(0.2302585095 yo))

\ \ / 1 /
GAMMA(-1. - 1. p)/, p = 0|, limit|---------------------- \0.3183098861 sin(
/ \GAMMA(p + 1.906900000)

3.141592654 p + 3.141592654) exp(-3.040840432 - 1.520420216 p

p \ \
+ 0.2302585095 yo) (exp(0.2302585095 yo)) GAMMA(-1. - 1. p)/, p = 1|,
/

/ 1 /
limit|---------------------- \0.3183098861 sin(3.141592654 p + 3.141592654)
\GAMMA(p + 1.906900000)

p
exp(-3.040840432 - 1.520420216 p + 0.2302585095 yo) (exp(0.2302585095 yo))

\ \ / 1 /
GAMMA(-1. - 1. p)/, p = 2|, limit|---------------------- \0.3183098861 sin(
/ \GAMMA(p + 1.906900000)

3.141592654 p + 3.141592654) exp(-3.040840432 - 1.520420216 p

p \ \
+ 0.2302585095 yo) (exp(0.2302585095 yo)) GAMMA(-1. - 1. p)/, p = 3|,
/

/ 1 /
limit|---------------------- \0.3183098861 sin(3.141592654 p + 3.141592654)
\GAMMA(p + 1.906900000)

p
exp(-3.040840432 - 1.520420216 p + 0.2302585095 yo) (exp(0.2302585095 yo))

\ \ / 1 /
GAMMA(-1. - 1. p)/, p = 4|, limit|---------------------- \0.3183098861 sin(
/ \GAMMA(p + 1.906900000)

3.141592654 p + 3.141592654) exp(-3.040840432 - 1.520420216 p

p \ \
+ 0.2302585095 yo) (exp(0.2302585095 yo)) GAMMA(-1. - 1. p)/, p = 5|,
/

/ 1 /
limit|---------------------- \0.3183098861 sin(3.141592654 p + 3.141592654)
\GAMMA(p + 1.906900000)

p
exp(-3.040840432 - 1.520420216 p + 0.2302585095 yo) (exp(0.2302585095 yo))

\ \ / 1 /
GAMMA(-1. - 1. p)/, p = 6|, limit|---------------------- \0.3183098861 sin(
/ \GAMMA(p + 1.906900000)

3.141592654 p + 3.141592654) exp(-3.040840432 - 1.520420216 p

p \ \
+ 0.2302585095 yo) (exp(0.2302585095 yo)) GAMMA(-1. - 1. p)/, p = 7|,
/

/ 1 /
limit|---------------------- \0.3183098861 sin(3.141592654 p + 3.141592654)
\GAMMA(p + 1.906900000)

p
exp(-3.040840432 - 1.520420216 p + 0.2302585095 yo) (exp(0.2302585095 yo))

\ \ / 1 /
GAMMA(-1. - 1. p)/, p = 8|, limit|---------------------- \0.3183098861 sin(
/ \GAMMA(p + 1.906900000)

3.141592654 p + 3.141592654) exp(-3.040840432 - 1.520420216 p

p \ \
+ 0.2302585095 yo) (exp(0.2302585095 yo)) GAMMA(-1. - 1. p)/, p = 9|,
/

/ 1 /
limit|---------------------- \0.3183098861 sin(3.141592654 p + 3.141592654)
\GAMMA(p + 1.906900000)

p
exp(-3.040840432 - 1.520420216 p + 0.2302585095 yo) (exp(0.2302585095 yo))

\ \]
GAMMA(-1. - 1. p)/, p = 10|]
/]

why the solution is in limit approaches to form??? need to have a closed form expression. any help..????

Manipulating inequalities in Maple...

Asked by: Farouq 20

November 20 2014

2 10

I am trying to perform the following manipulation (This is a minimum working example).

a < b < c;
(1)*2;

Error, invalid terms in product: a < b and b < c

Can anyone tell if it is possible to manipulate inequalities exactly as it is the case with equations?

Simple Physics Problem...

Asked by: Keith Dow 0

November 19 2014

0 0

I have two Reissner Nordstrom black holes that are near extreme. How do I show they move?

export expression to word ...

Asked by: aTec 10

November 19 2014

0 0

When i copy expression and past it in word, i can change the size of the picture whitout loosing the detials.

How can i export the expression to a file, such that when i will open it in word i could change the size without loosing details? much thnks :)

Difficult integer factorisation problem...

Asked by: pimp88z 15

November 19 2014

0 2

Dear Maple users,

My problem is as follows:

I have a factor base [2,3,5,7,11,33,34,35,36,37,38,39,40]

The numbers from 2 till 11 are primes, the rest is not.

Then I have to factor (H+c1)(H+c2) in numbers of the factor base , where c1 and c2 go from 1 to some pre-defined limit. H=32 in my case.
And then I have to put the powers of the numbers of the factor base in a matrix. For example: (H+1)(H+1)=33² but also (H+1)(H+1)=3²*11².

That will become in matrix form [0 , 2, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0 ] but also (!) [0 , 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0 ].

This is not what I want! I want no double representations....

What I want is that (H+c1)(H+c2) should be represented in primes in the matrix if possible and else just represented as the other numbers.

hope you guys can help me!

Extracting coefficients from system of equations ...

Asked by: martizzle 5

November 19 2014

1 1

Hi,

I have a system of equations containing curls, divergence and gradients of variables.

How can I extract the coefficients of the equations (i.e. coefficients of d/dt rho, d/dx p) and form a matrix?

thanks.

Inverse Laplace Transformation...

Asked by: baustamm1 35

November 19 2014

0 4

Dear all,

I have a question, why is the output of the inverse Laplace transformation if the signal is multiplied by itself not just convoluted in time domain:

restart:
with(inttrans):
u0(s):=laplace(u0(t),t,s):
ul(s):=laplace(ul(t),t,s):

invlaplace(u0(s)*ul(s),s,t);
invlaplace(u0(s)*u0(s),s,t);

Thanks!

fsolve and solve not working...

Asked by: Hamarsheh 15

November 19 2014

0 3

hi

i am trying to solve nonlinear system of equations>

But i faced problems with fsolve command and solve command

appreciate your efforts

thank you.

i attached the problem if any one can help meto_ask.mw

>

resatart;

(1)

>

E[1]:=471.018201448812350417026549714*C[2]*C[1]+148.215735866021516352269641351*C[3]*C[1]+1819.06587325966981030289478684*C[1]^3+520.398873394086389608807266267*C[1]^2+91.6935836202883451116448236302*C[1]+50.4730912279207745584225849550*C[2]+19.9085633544913263914456592743*C[3]+7.37047428400435090736231078968+2058.68551751777751319606573790*C[1]^2*C[2]+538.947230507659865581021915944*C[1]^2*C[3]+5845.71206131980239307198520604*C[1]^3*C[2]+69.7127022912194568273754946252*C[2]*C[3]+714.578012051731012130317887974*C[2]^2*C[1]+1335.12741025874305723396688959*C[3]*C[1]^3+12157.6789376307684367951252086*C[1]^4*C[2]+2649.25449662999887750280740574*C[2]^2*C[1]^2+14295.0784862597862660994822740*C[1]^8+15419.2846919327017114194783308*C[1]^7+12988.7517416642139784208462738*C[1]^6+16.8382038872893957093383440000*C[2]^4+70.8332628196190412620305577015*C[2]^3+1.44270946696121179778587859413*C[3]^3+4510.00238293949012248750841678*C[1]^4+8603.52635510176910780764444620*C[1]^5+98.8104905773476764461233724605*C[2]^2+10.1537285012728093021569041975*C[3]^2+982.222581518989031760243574949*C[1]^11+4638.21478259707435511949025320*C[1]^10+10052.6606516341018431728672421*C[1]^9+407.687063314179709424921418616*C[3]*C[2]*C[1]+75.7719174928022814213736862098*C[3]^2*C[2]*C[1]+25.2573058309340935640075160001*C[3]*C[2]^3+6.31432645773352351256040203496*C[1]*C[3]^3+12.6286529154670467820037580001*C[2]^2*C[3]^2+2.10477548591117446366729300002*C[2]*C[3]^3+211.344764831208915814670185548*C[3]^2*C[1]^3+7.20005467320229588757253538206*C[1]^2*C[3]^3+111.061430002472320297142331967*C[1]*C[2]^4+238.500386718071412970815287708*C[1]^4*C[3]^2+2470.41109018725090594289626356*C[2]^3*C[1]^3+245.201283148587317451118521393*C[2]^4*C[1]^2+181.129142851463591068444931825*C[2]^4*C[1]^3+2988.37811797198976000003713722*C[3]*C[1]^6+109.721226223930092622823355221*C[1]^5*C[3]^2+11719.3084513103578461807709227*C[1]^5*C[2]^2+2768.20160910310649927384469736*C[1]^4*C[2]^3+565.318306286272203162846540832*C[1]^8*C[3]+10932.5561693883776137371116117*C[1]^8*C[2]+2904.27246127876533797534297274*C[1]^7*C[2]^2+1952.53821736667546565020861980*C[3]*C[1]^7+8861.99977348975008001821282156*C[2]^2*C[1]^6+1254.10257521815148306369855874*C[2]^3*C[1]^5+19097.0760464300655744068743926*C[1]^7*C[2]+2811.03926218004500859025906710*C[1]^9*C[2]+57.4530755155979171964227079426*C[1]*C[3]^2+836.065308595115722315610440362*C[3]*C[2]^2*C[1]^2+168.144436791995138074477654505*C[1]^2*C[2]*C[3]^2+111.061430002472320297142331967*C[3]*C[1]*C[2]^3+27.7653575006180800742855829918*C[1]*C[2]^2*C[3]^2+3287.26031145537499942195550694*C[3]*C[1]^4*C[2]+127.200206249638084450380203222*C[1]^3*C[2]*C[3]^2+1244.40467444431430442109001683*C[3]*C[1]^3*C[2]^2+122.600641574293658725559260697*C[3]*C[2]^3*C[1]^2+2976.40437278655359156395744743*C[3]*C[1]^5*C[2]+704.866518858564769916472506595*C[3]*C[1]^4*C[2]^2+1138.98062679722733273662076856*C[3]*C[1]^6*C[2]+2445.22760310248377117380837984*C[1]^3*C[2]*C[3]+1302.58340353182418292173788075*C[1]^2*C[2]*C[3]+358.002894560559015938580075092*C[1]*C[2]^2*C[3]+1346.85403641174851926917778882*C[2]^3*C[1]^2+21853.3314580455402045658443233*C[1]^6*C[2]+3064.67804343975531590307429378*C[1]^5*C[3]+18831.8659547488267980067894851*C[1]^5*C[2]+2386.63766423133333668246261663*C[1]^4*C[3]+10051.2504836101574266428345548*C[1]^4*C[2]^2+6283.05695591453291326103369848*C[1]^3*C[2]^2+76.6041006874638884531740720781*C[2]^2*C[3]+136.001112450833566039453512948*C[1]^2*C[3]^2+463.432730811777094292148621626*C[1]*C[2]^3+23.4791535727496075066511538019*C[2]*C[3]^2;

(2)

>

E[2]:=197.620981154695352892246744921*C[2]*C[1]+69.7127022912194568273754946252*C[3]*C[1]+686.228505839259171065355245966*C[1]^3+235.509100724406175208513274857*C[1]^2+50.4730912279207745584225849550*C[1]+26.5447511393217685219275456990*C[2]+13.2723755696608842609637728496*C[3]+4.91364952266956727157487385979+714.578012051731012130317887974*C[1]^2*C[2]+203.843531657089854712460709308*C[1]^2*C[3]+1766.16966441999925166853827049*C[1]^3*C[2]+27.0766093367274914724184111932*C[2]*C[3]+212.499788458857123786091673104*C[2]^2*C[1]+434.194467843941394307245960251*C[3]*C[1]^3+3141.52847795726645663051684924*C[1]^4*C[2]+695.149096217665641438222932439*C[2]^2*C[1]^2+2387.13450580375819680085929907*C[1]^8+3121.90449400650574350940633190*C[1]^7+3138.64432579147113300113158085*C[1]^6+7.69445049045979625485801916864*C[2]^3+.961806311307474531857252396085*C[3]^3+1461.42801532995059826799630151*C[1]^4+2431.53578752615368735902504171*C[1]^5+27.0766093367274914724184111932*C[2]^2+6.76915233418187286810460279831*C[3]^2+281.103926218004500859025906710*C[1]^10+1214.72846326537529041523462352*C[1]^9+153.208201374927776906348144156*C[3]*C[2]*C[1]+25.2573058309340935640075160002*C[3]^2*C[2]*C[1]+2.10477548591117446366729300002*C[1]*C[3]^3+56.0481455973317126914925515018*C[3]^2*C[1]^3+31.8000515624095211125950508054*C[1]^4*C[3]^2+326.935044198116423268158028524*C[2]^3*C[1]^3+496.067395464425598593992907905*C[3]*C[1]^6+1660.92096546186389956430681841*C[1]^5*C[2]^2+181.129142851463591068444931825*C[1]^4*C[2]^3+726.068115319691334493835743184*C[1]^8*C[2]+162.711518113889618962374395509*C[3]*C[1]^7+627.051287609075741531849279370*C[2]^2*C[1]^6+2531.99993528278573714806080616*C[1]^7*C[2]+23.4791535727496075066511538019*C[1]*C[3]^2+166.592145003708480445713497950*C[3]*C[2]^2*C[1]^2+27.7653575006180800742855829918*C[1]^2*C[2]*C[3]^2+622.202337222157152210545008414*C[3]*C[1]^4*C[2]+122.600641574293658725559260697*C[3]*C[1]^3*C[2]^2+281.946607543425907966589002638*C[3]*C[1]^5*C[2]+557.376872396743814877073626908*C[1]^3*C[2]*C[3]+358.002894560559015938580075092*C[1]^2*C[2]*C[3]+75.7719174928022806920225480003*C[1]*C[2]^2*C[3]+222.122860004944640594284663933*C[2]^3*C[1]^2+3906.43615043678594872692364090*C[1]^6*C[2]+657.452062291074999884391101389*C[1]^5*C[3]+4020.50019344406297065713382194*C[1]^5*C[2]+611.306900775620942793452094961*C[1]^4*C[3]+1852.80831764043817945717219767*C[1]^4*C[2]^2+1346.85403641174851926917778882*C[1]^3*C[2]^2+11.5416757356896943822870287530*C[2]^2*C[3]+37.8859587464011407106868431049*C[1]^2*C[3]^2+67.3528155491575828373533760000*C[1]*C[2]^3+5.77083786784484719114351437650*C[2]*C[3]^2;

(3)

>

E[3]:=69.7127022912194568273754946252*C[2]*C[1]+20.3074570025456186043138083950*C[3]*C[1]+179.649076835886621860340638648*C[1]^3+74.1078679330107581761348206757*C[1]^2+19.9085633544913263914456592743*C[1]+13.2723755696608842609637728496*C[2]+6.63618778483044213048188642478*C[3]+2.45682476133478363578743692990+203.843531657089854712460709308*C[1]^2*C[2]+57.4530755155979171964227079426*C[1]^2*C[3]+434.194467843941394307245960251*C[1]^3*C[2]+13.5383046683637457362092055966*C[2]*C[3]+76.6041006874638884531740720781*C[2]^2*C[1]+90.6674083005557106929690086320*C[3]*C[1]^3+611.306900775620942793452094961*C[1]^4*C[2]+179.001447280279507969290037546*C[2]^2*C[1]^2+244.067277170834433206276077475*C[1]^8+426.911159710284251428576733889*C[1]^7+510.779673906625885983845715630*C[1]^6+3.84722524522989812742900958432*C[2]^3+.480903155653737265928626198044*C[3]^3+333.781852564685764308491722397*C[1]^4+477.327532846266667336492523326*C[1]^5+13.5383046683637457362092055966*C[2]^2+3.38457616709093643405230139915*C[3]^2+62.8131451429191336847607267591*C[1]^9+46.9583071454992150133023076038*C[3]*C[2]*C[1]+6.31432645773352339100187900006*C[3]^2*C[2]*C[1]+7.20005467320229588757253538206*C[3]^2*C[1]^3+40.8668805247645529085197535656*C[2]^3*C[1]^3+36.5737420746433642076077850736*C[3]*C[1]^6+140.973303771712953983294501319*C[1]^5*C[2]^2+162.711518113889618962374395509*C[1]^7*C[2]+4.32812840088363539335763578239*C[1]*C[3]^2+27.7653575006180800742855829918*C[3]*C[2]^2*C[1]^2+63.6001031248190422251901016108*C[3]*C[1]^4*C[2]+112.096291194663425382985103004*C[1]^3*C[2]*C[3]+75.7719174928022814213736862098*C[1]^2*C[2]*C[3]+25.2573058309340935640075160002*C[1]*C[2]^2*C[3]+55.5307150012361601485711659834*C[2]^3*C[1]^2+496.067395464425598593992907905*C[1]^6*C[2]+95.4001546872285651883261150834*C[1]^5*C[3]+657.452062291074999884391101389*C[1]^5*C[2]+105.672382415604457907335092774*C[1]^4*C[3]+311.101168611078576105272504207*C[1]^4*C[2]^2+278.688436198371907438536813454*C[1]^3*C[2]^2+5.77083786784484719114351437650*C[2]^2*C[3]+9.47148968660028526884060305244*C[1]^2*C[3]^2+25.2573058309340935640075160001*C[1]*C[2]^3+2.88541893392242359557175718826*C[2]*C[3]^2;

(4)

>	fsolve({E[1]=0, E[2]=0,E[3]=0});

$fsolve({46.9583071454992150133023076038*C[3]*C[2]*C[1]+6.31432645773352339100187900006*C[3]^2*C[2]*C[1]+27.7653575006180800742855829918*C[3]*C[2]^2*C[1]^2+63.6001031248190422251901016108*C[3]*C[1]^4*C[2]+112.096291194663425382985103004*C[1]^3*C[2]*C[3]+75.7719174928022814213736862098*C[1]^2*C[2]*C[3]+25.2573058309340935640075160002*C[1]*C[2]^2*C[3]+69.7127022912194568273754946252*C[2]*C[1]+20.3074570025456186043138083950*C[3]*C[1]+203.843531657089854712460709308*C[1]^2*C[2]+57.4530755155979171964227079426*C[1]^2*C[3]+434.194467843941394307245960251*C[1]^3*C[2]+13.5383046683637457362092055966*C[2]*C[3]+76.6041006874638884531740720781*C[2]^2*C[1]+90.6674083005557106929690086320*C[3]*C[1]^3+611.306900775620942793452094961*C[1]^4*C[2]+179.001447280279507969290037546*C[2]^2*C[1]^2+7.20005467320229588757253538206*C[3]^2*C[1]^3+40.8668805247645529085197535656*C[2]^3*C[1]^3+36.5737420746433642076077850736*C[3]*C[1]^6+140.973303771712953983294501319*C[1]^5*C[2]^2+162.711518113889618962374395509*C[1]^7*C[2]+4.32812840088363539335763578239*C[1]*C[3]^2+55.5307150012361601485711659834*C[2]^3*C[1]^2+496.067395464425598593992907905*C[1]^6*C[2]+95.4001546872285651883261150834*C[1]^5*C[3]+657.452062291074999884391101389*C[1]^5*C[2]+105.672382415604457907335092774*C[1]^4*C[3]+311.101168611078576105272504207*C[1]^4*C[2]^2+278.688436198371907438536813454*C[1]^3*C[2]^2+5.77083786784484719114351437650*C[2]^2*C[3]+9.47148968660028526884060305244*C[1]^2*C[3]^2+25.2573058309340935640075160001*C[1]*C[2]^3+2.88541893392242359557175718826*C[2]*C[3]^2+2.45682476133478363578743692990+244.067277170834433206276077475*C[1]^8+426.911159710284251428576733889*C[1]^7+510.779673906625885983845715630*C[1]^6+3.84722524522989812742900958432*C[2]^3+.480903155653737265928626198044*C[3]^3+477.327532846266667336492523326*C[1]^5+3.38457616709093643405230139915*C[3]^2+62.8131451429191336847607267591*C[1]^9+13.2723755696608842609637728496*C[2]+19.9085633544913263914456592743*C[1]+6.63618778483044213048188642478*C[3]+179.649076835886621860340638648*C[1]^3+74.1078679330107581761348206757*C[1]^2+13.5383046683637457362092055966*C[2]^2+333.781852564685764308491722397*C[1]^4 = 0, 153.208201374927776906348144156*C[3]*C[2]*C[1]+25.2573058309340935640075160002*C[3]^2*C[2]*C[1]+166.592145003708480445713497950*C[3]*C[2]^2*C[1]^2+27.7653575006180800742855829918*C[1]^2*C[2]*C[3]^2+622.202337222157152210545008414*C[3]*C[1]^4*C[2]+122.600641574293658725559260697*C[3]*C[1]^3*C[2]^2+281.946607543425907966589002638*C[3]*C[1]^5*C[2]+557.376872396743814877073626908*C[1]^3*C[2]*C[3]+358.002894560559015938580075092*C[1]^2*C[2]*C[3]+75.7719174928022806920225480003*C[1]*C[2]^2*C[3]+197.620981154695352892246744921*C[2]*C[1]+69.7127022912194568273754946252*C[3]*C[1]+714.578012051731012130317887974*C[1]^2*C[2]+203.843531657089854712460709308*C[1]^2*C[3]+1766.16966441999925166853827049*C[1]^3*C[2]+27.0766093367274914724184111932*C[2]*C[3]+212.499788458857123786091673104*C[2]^2*C[1]+434.194467843941394307245960251*C[3]*C[1]^3+3141.52847795726645663051684924*C[1]^4*C[2]+695.149096217665641438222932439*C[2]^2*C[1]^2+2.10477548591117446366729300002*C[1]*C[3]^3+56.0481455973317126914925515018*C[3]^2*C[1]^3+31.8000515624095211125950508054*C[1]^4*C[3]^2+326.935044198116423268158028524*C[2]^3*C[1]^3+496.067395464425598593992907905*C[3]*C[1]^6+1660.92096546186389956430681841*C[1]^5*C[2]^2+181.129142851463591068444931825*C[1]^4*C[2]^3+726.068115319691334493835743184*C[1]^8*C[2]+162.711518113889618962374395509*C[3]*C[1]^7+627.051287609075741531849279370*C[2]^2*C[1]^6+2531.99993528278573714806080616*C[1]^7*C[2]+23.4791535727496075066511538019*C[1]*C[3]^2+222.122860004944640594284663933*C[2]^3*C[1]^2+3906.43615043678594872692364090*C[1]^6*C[2]+657.452062291074999884391101389*C[1]^5*C[3]+4020.50019344406297065713382194*C[1]^5*C[2]+611.306900775620942793452094961*C[1]^4*C[3]+1852.80831764043817945717219767*C[1]^4*C[2]^2+1346.85403641174851926917778882*C[1]^3*C[2]^2+11.5416757356896943822870287530*C[2]^2*C[3]+37.8859587464011407106868431049*C[1]^2*C[3]^2+67.3528155491575828373533760000*C[1]*C[2]^3+5.77083786784484719114351437650*C[2]*C[3]^2+4.91364952266956727157487385979+2387.13450580375819680085929907*C[1]^8+3121.90449400650574350940633190*C[1]^7+3138.64432579147113300113158085*C[1]^6+7.69445049045979625485801916864*C[2]^3+.961806311307474531857252396085*C[3]^3+2431.53578752615368735902504171*C[1]^5+6.76915233418187286810460279831*C[3]^2+281.103926218004500859025906710*C[1]^10+1214.72846326537529041523462352*C[1]^9+26.5447511393217685219275456990*C[2]+50.4730912279207745584225849550*C[1]+13.2723755696608842609637728496*C[3]+686.228505839259171065355245966*C[1]^3+235.509100724406175208513274857*C[1]^2+27.0766093367274914724184111932*C[2]^2+1461.42801532995059826799630151*C[1]^4 = 0, 7.37047428400435090736231078968+407.687063314179709424921418616*C[3]*C[2]*C[1]+75.7719174928022814213736862098*C[3]^2*C[2]*C[1]+836.065308595115722315610440362*C[3]*C[2]^2*C[1]^2+168.144436791995138074477654505*C[1]^2*C[2]*C[3]^2+111.061430002472320297142331967*C[3]*C[1]*C[2]^3+27.7653575006180800742855829918*C[1]*C[2]^2*C[3]^2+3287.26031145537499942195550694*C[3]*C[1]^4*C[2]+127.200206249638084450380203222*C[1]^3*C[2]*C[3]^2+1244.40467444431430442109001683*C[3]*C[1]^3*C[2]^2+122.600641574293658725559260697*C[3]*C[2]^3*C[1]^2+2976.40437278655359156395744743*C[3]*C[1]^5*C[2]+704.866518858564769916472506595*C[3]*C[1]^4*C[2]^2+1138.98062679722733273662076856*C[3]*C[1]^6*C[2]+2445.22760310248377117380837984*C[1]^3*C[2]*C[3]+1302.58340353182418292173788075*C[1]^2*C[2]*C[3]+358.002894560559015938580075092*C[1]*C[2]^2*C[3]+471.018201448812350417026549714*C[2]*C[1]+148.215735866021516352269641351*C[3]*C[1]+2058.68551751777751319606573790*C[1]^2*C[2]+538.947230507659865581021915944*C[1]^2*C[3]+5845.71206131980239307198520604*C[1]^3*C[2]+69.7127022912194568273754946252*C[2]*C[3]+714.578012051731012130317887974*C[2]^2*C[1]+1335.12741025874305723396688959*C[3]*C[1]^3+12157.6789376307684367951252086*C[1]^4*C[2]+2649.25449662999887750280740574*C[2]^2*C[1]^2+25.2573058309340935640075160001*C[3]*C[2]^3+6.31432645773352351256040203496*C[1]*C[3]^3+12.6286529154670467820037580001*C[2]^2*C[3]^2+2.10477548591117446366729300002*C[2]*C[3]^3+211.344764831208915814670185548*C[3]^2*C[1]^3+7.20005467320229588757253538206*C[1]^2*C[3]^3+111.061430002472320297142331967*C[1]*C[2]^4+238.500386718071412970815287708*C[1]^4*C[3]^2+2470.41109018725090594289626356*C[2]^3*C[1]^3+245.201283148587317451118521393*C[2]^4*C[1]^2+181.129142851463591068444931825*C[2]^4*C[1]^3+2988.37811797198976000003713722*C[3]*C[1]^6+109.721226223930092622823355221*C[1]^5*C[3]^2+11719.3084513103578461807709227*C[1]^5*C[2]^2+2768.20160910310649927384469736*C[1]^4*C[2]^3+565.318306286272203162846540832*C[1]^8*C[3]+10932.5561693883776137371116117*C[1]^8*C[2]+2904.27246127876533797534297274*C[1]^7*C[2]^2+1952.53821736667546565020861980*C[3]*C[1]^7+8861.99977348975008001821282156*C[2]^2*C[1]^6+1254.10257521815148306369855874*C[2]^3*C[1]^5+19097.0760464300655744068743926*C[1]^7*C[2]+2811.03926218004500859025906710*C[1]^9*C[2]+57.4530755155979171964227079426*C[1]*C[3]^2+1346.85403641174851926917778882*C[2]^3*C[1]^2+21853.3314580455402045658443233*C[1]^6*C[2]+3064.67804343975531590307429378*C[1]^5*C[3]+18831.8659547488267980067894851*C[1]^5*C[2]+2386.63766423133333668246261663*C[1]^4*C[3]+10051.2504836101574266428345548*C[1]^4*C[2]^2+6283.05695591453291326103369848*C[1]^3*C[2]^2+76.6041006874638884531740720781*C[2]^2*C[3]+136.001112450833566039453512948*C[1]^2*C[3]^2+463.432730811777094292148621626*C[1]*C[2]^3+23.4791535727496075066511538019*C[2]*C[3]^2+14295.0784862597862660994822740*C[1]^8+15419.2846919327017114194783308*C[1]^7+12988.7517416642139784208462738*C[1]^6+16.8382038872893957093383440000*C[2]^4+70.8332628196190412620305577015*C[2]^3+1.44270946696121179778587859413*C[3]^3+8603.52635510176910780764444620*C[1]^5+10.1537285012728093021569041975*C[3]^2+982.222581518989031760243574949*C[1]^11+4638.21478259707435511949025320*C[1]^10+10052.6606516341018431728672421*C[1]^9+50.4730912279207745584225849550*C[2]+91.6935836202883451116448236302*C[1]+19.9085633544913263914456592743*C[3]+1819.06587325966981030289478684*C[1]^3+520.398873394086389608807266267*C[1]^2+98.8104905773476764461233724605*C[2]^2+4510.00238293949012248750841678*C[1]^4 = 0}, {C[1], C[2], C[3]})$

(5)

>	solve({E[1]=0, E[2]=0, E[3]=0}, [C[1],C[2],C[3]]);

Warning, computation interrupted

>

Download to_ask.mw to_ask.mw

How can i leave an expression un-evaluated?...

Asked by: aTec 10

November 18 2014

2 4

I want to print 2+3= in the input and get exactly the same output.

And how can i do it in a program?

solve an system of equations for expressions....

Asked by: taro 505

November 18 2014

1 3

Hello people in mapleprimes,

I want to solve the next system of equation for B/A and C/A.

eq1:=A+B=F+G;
eq2:=k*(A-B)=kappa*(F-G);
eq3:=F*exp(I*kappa*a)+G*exp(-I*kappa*a)=C*exp(I*k*a);
eq4:=kappa*F*exp(I*kappa*a)-kappa*G*exp(-I*kappa*a)=k*C*exp(I*k*a);

But, though it is well-known, solve({eq1,eq2,eq3,eq4},{B/A,C/A})
does not work well, as the values I want to solve it for are
expressions: B/A and C/A not variables.

Then, you might thing the next works well.
eq:=subs({B=A/t,C=A/u},{eq1,eq2,eq3,eq4}):
solve(eq,{t,u});

But, this doesn't work well, with the answer was
only the ratio of t and u expressed as the following:

t = t, u = exp(I*k*a)*(exp(-I*kappa*a)*k^2-exp(I*kappa*a)*k^2-exp(-I*kappa*a)*kappa^2+exp(I*kappa*a)*kappa^2)*t/(4*kappa*k*exp(I*kappa*a)*exp(-I*kappa*a))

Isn't there nice way to solve the above system of equation, except that
sol1:=solve({eq3,eq4},{F,G});assign(sol1);
sol2:=solve({eq1,eq2},{A,B});assign(sol2);

Best wishes
taro

How to integrate a Matrix and then solve for the u...

Asked by: litun 95

November 18 2014

0 9

1step- I want to integrate the (ME*dF) from t=0 to ∞ .

2step- Evaluate Z=<x,y,z> by solving Z=β*MEint.

Download test.mw

Factor symbolic function for martrices...

Asked by: vidocq 10

November 18 2014

1 1

Hello,

I would like to ask for help with factorization, collection or decomposition of matricies. If I have the symbolic product of matrices:

$A := Matrix(2, 2, {(1, 1) = a[11], (1, 2) = a[12], (2, 1) = a[21], (2, 2) = a[22]})$

$B := Matrix(2, 2, {(1, 1) = b[11], (1, 2) = b[12], (2, 1) = b[21], (2, 2) = b[22]})$

then C:= A*B :

$Matrix(2, 2, {(1, 1) = a[11]*b[11]+a[12]*b[21], (1, 2) = a[11]*b[12]+a[12]*b[22], (2, 1) = a[21]*b[11]+a[22]*b[21], (2, 2) = a[21]*b[12]+a[22]*b[22]})$

and my question follows:

Can I factor this result C and get the imput matrices A and B ? Is any function for this operation ? I would like to use it for matrices 3 time 3 not only for 2 times 2.

Thank you for your help,

vidocq

Maple 18.02 Update & New Bug in Inverse Laplace...

Asked by: Stephen Earl 10

November 18 2014

0 3

After installing the 18.02 update to Maple 18, the inverse Laplace transform no longer works!

How to let GUI of maple runs faster...

Asked by: smith_alpha 155

November 18 2014

4 4

Hi,

I am using maple on Windows 7. I edit .mw file by maplew.exe.

When the source code becomes long, e.g. over 2000 lines, the editing resonse starts to be slow. I can try to edit in other software, e.g. editplus. Is there any way to let maplew works faster?

Thank you!

Transformation of derrivatives into standard maple...

Asked by: Dmitry Lyakhov 115

November 18 2014

1 2

I have a long expression with different order derrivatives, that is written in form like that:

-(D[1](f))(x, y)

I'd like to transform it into standard maple form like:

$diff(f(x,y),x)$

Is there any special procedure to achieve this goal?

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